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When deciding on an adhesive or encapsulating compound could be exhausting however, it is made easier by considering these seven elements.

Selecting the nhà sản xuất chất kết dính tốt nhất choice for a specific application can be challenging. Many factors must be taken into consideration, as do numerous types of chemistries with various capabilities.

Understanding the following parameters will aid in narrowing the selections. Making the right choice of adhesive can reduce the number of products to be evaluated and increase the likelihood of successful results. Visit this site to assist in selecting the right adhesive.


The materials that will be bonded is very important. Certain adhesives can be more compatible with glass or ceramic. Plastic and metal are general terms that encompass many different types of materials. Therefore, knowing the exact substrate is vital to determine the appropriate adhesive.

Part Cleanliness:

Most adhesives require that the substrate be prepared properly. Whether it's just a simple cleaning or the ability to do more complex operations (such as abrasion, chemical etch, as well as plasma treatment) are all put into play when choosing an adhesive.


Low viscosity (thin) product are great for thin bonds or for applications requiring wicking. Thixotropic materials (won't be able to run) are recommended for use for vertical use.

Thermal Cure Vs. UV Cure:

UV cure adhesives are usually one part and are cured rapidly. They require exposure to UV light to cure, so at least one substrate should allow the transmission of UV light. The thermal cure material can be cured at room temperature and/or with heat. Heating-cured thermal adhesives can require high temperatures, which can be detrimental to components, however, they generally cure more quickly with greater properties.

Working Life:

Determine how much of a working life is desired. Keep in mind that working time (the time before the material gels) is generally related to cure time. For thermal cure materials, the longer the duration of the working life is, the longer the cure time (at ambient temperature) typically. Single-part UV-cured substances can be cure quickly, and the working time doesn't matter.


The dimensions of parts and the way they are arranged are crucial in determining the most suitable material. More large parts and larger bonds may require a more prolonged cure time to reduce shrinkage. Certain adhesives are designed to work well with smaller gaps.

The Performance Required:

Below are additional considerations to consider before selecting an adhesive.

Does the adhesive require forming the structure of the bond?

A structural bonding product will result in an end product that is as durable like the materials. The knowledge of the chemical composition of substrates will help you choose the right adhesive and method to achieve the best bond. Additionally, knowing the shape of the parts that will be bonded will determine the type of adhesives for use. With the majority of adhesives the greater the surface area of pieces to be bonded, the stronger the bond.

The gap between the bond is critical. Different adhesive chemicals work best when they have specific gaps. In general, cyanoacrylates and anaerobics require the tiniest bond lines while urethanes and epoxyes are better with gaps that are thicker. Every chemical can be different, depending upon how they were created, but these are general guidelines.

How much mechanical stress will be put on the bond during the use?

This may seem obvious, but the forces on the adhesive junction and on the direction of those forces influence the adhesive that is utilized. Some chemistries may have excellent tensile strength (strength in the horizontal direction) but very weak shear strength (strength in the vertical direction). Another factor to consider is whether the joint is subject to torsion or compressive forces at the joints. Adhesives may be formulated for greater flexibility or with fillers to compensate for these strains.

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